Remotely controlled flow valve



Mml`113,194s. BOYNTON A*2,371,220-

REMOTELY CONTROLLED FLOW VALVE Arron/vf?.

A. BoYN'roN REMOTELY CONTROLLED FLOW VALVE Filed Dec. 6, 1941 2 Sheets-Sheet 2 ALEXANDER HOYA/70N,

- ATTORNEY.

Priori-admon irs-'194s matic opening and the frequently uncertain closi' UNITED STATES,

APA'rlazlvT OFFICE REMOTELY CONTROLLED FLOW VALVE Alexander Boynton, "san Aniomo; rex.; sia. s. Martin executrlxof said Alexander Boynton,

deceased Application December s, 1941, serial No. A421,936

19 claims. (ci. 1oz-23s) My invention relates Vto remotely lcontrolled flow valves for wells and deals with the general subject of 'appending applications Serial Num- .bers 421,934 and 421,935-7led Dec. 6,' 1941.

admission of pressure uid into the tubing will be opened and closed alternately, The inner portions of said pins extending through slots and .into the tubing are engageable by a special tool The principal object is to-.provide 'a ilow valve ,f 6 on a. cable to pperate said sleeve' and valve, as

that'can be opened orclosed selectively by means of atool' on a cable operated from the ground surface and which may be removed from the well in order to leave the iiow tubing unobstructed.

will appear more fully from the following specifi- .cation and.- the accompanying drawings, in

which- Fig. l isa longitudinal section through the vAnother objeot .is to provide o -series of valvwev. 1 0 preferred embodimentthe operating tool'beine controlled' spaced openings in-the tubing of a well, a selective one or more of said valves being open while the others'are closed selectively.

- Another object is to improve the 'ordinary auto-'- ing of the now generallyused automatic flow valves by substituting therefor a remotely controlled manually operated valveopening and closing means of positive action.l f

lo A,

6 isa longitudinal section through a modied constructiomthe operating tool being shown in outside view within the device.

Fig. 7 is a cross section on the line 1 -1, Fig.

Another object is to provide'a ilowdevice espe= 20' Fig. 8 is across section on the line -8-8, Fig. 6.

cially adapted to deep wells because off-its posif tive operation due to freedom from'control by differential force, Vresultingin tubing withdrawals beingseldom necessary.-

Fig. 9 is across section on the line 98, Fig. 6'. Fig. 10 is a vertical section Athrough a portion of the. deviceshowing the valve closed.

Fig. 11 is a perspective of theactuator pin in Another objectxis'to provider. remotely oon-{"Fiai. trolled owvalve which-does not restrict .the Fig. l2'is a perspective of the actuator pin in tubing. passage. f F18'. 6.

A further object is'to'provide' a series .of flow valves having the advantages set out in the fore- Fig. 13 isa diagram of the slots., pockets, and

'- elically inclined cam surfacesjof the actuator going` objects and which in' addition theretoj 30'sleeveinFigs 1'and6..

canl be employed. withoutl alteration for flowing a well through the casing, insteadof through the tubing v v -Other related lobjects aresto provide remote controlszfor valvesin cooling plants, ventilating 35 systems, pipe'- lines, refineries, mines, production testingdevices, well cementingequip'ment, and all other valves requiring remote control, includingmeans fordischargingliquids and gases at Fig. 141s o. diagram or tnsots.. oookoogond helically inclined cam surfaces of the operating slots la and the lateral inlet port lb, isadapted to be connected into :the eduction tubing of a lpredetermined locations in warfare. The desir "o well.- The actuator sleeve 2, in two opposedporability .of an operator 'remaining at a'safe disl tance and opening valves to release poison gasis clearly indicated..

I attain the foregoing objects. by means of an actuator slidableedwise and coincidentally-A rotatable overa nipple ofthe well tubing, the nipple-having slots .containing externallyprojectins Pins'slidable-upon 'a series of helically inclined cam surfacesof the actuator to'cause parcial rotation .thor-oor each time it ira'pulioci upon and raised slightly by means of said pin's it and which extend into the nip# ple. The pins'are then returned by a spring, said return movement causing further rotation of saidactuator; whereby a valve controlling thetions 2 and 2', the vlatter portion being in two parts ais-appears in Fig. 13, is secured within --the shell I by the circular weld 3a and by the Aspot welds 3b, Figs 1 and 3. Manifestly the actuator sleeve and the shell 3 are in eect'only one part but for manufacturing convenience only are shown to be unitized by welding. Likewise the The ring 1 engaged upon the upperend of the is secured in the nipple I byl ,age into this nipple.

' the actuator sleeve. This sleeve III has an intnesloezeeenmnsmegmdepm le' thesleeve sleeve upper portion 2', supports the actuator pins l and 8' upon which pins Ithe locking sleeve l impinges by force of its threaded engagement within the shell 3. The semi-circular actuator pin spacers 9 and 9', Fig. 2, are likewise impinged between the sleeve l and the ring 1. l

The actuator sleeve portions 2 and 2' and the locking sleeve 4, all secured upon the shelu, are slidable over the nipple I.` The guide pins Ic and Ic'. are slidable inthe slots 2a and 2e of the actuator sleeve upper portion 2', Figsgl, 3, and 13. The actuator pins and I' are slidable in the slots la of the nipple I.

The coiled spring I5, engaged under the cap ring It supported by the coupling le, urges the washer I4 to engage the thrust bearing I3 upon the sleeve l. 'I'he U cups or other form of packing S and 8 which are received within annular recesses of the sleeves! and 2, respectively, are slidable closely over the nipple I to prevent leak- Thevalve housing sleeve Il. having the lateral openings IIIa and-IIlb, is also slidable o ver the nipple I and is secured to the vlower portion 2 of ternal annular recess within which the semi-circular sleeve valve II and its similarly formed spacer I2, having the transverse opening I 2a, are received. The sleeve valve II is. free within said recess and the spacer I2 is secured therein by the welds |211, see Fig. 5.

The lower portion 2 of the actuator sleeve has the pin pockets 2c and 2g and the lower helically inclined cam surfaces 2b and 2f (see Fig. 13). I'he upper portion 2 of the actuator sleeve has the slots 2a and 2e and the upper hellcally"inclined, cam surfacesf2d and 2h, as also appears in Fig.

' 13. The upper inclinedcam surface 2d is. cen

trally above the pin pocket 2c; the upper inclined cam surface 2h is centrally above the pin pocket 2U; the' lower inclined cam surface 2b is directly under the slot 2a; and the lower inclined cam surface 2f is directly under the slot 2e. This opposed relation between the inclined cam surfaces and the slots and pockets, coacting with the guide pins Ic and Ic', provides the valve position l slots- I1a of the nipple I1.

nular recess of the sleeve I8 by the support ring 25 urged against the sleeve by the support ring 2C which is shown threadedly connected to the sleeve. The U cups 24 and 21 andthe packing I4 are for the evident purpose of preventing pressure iiuid outside of the device from leaking into the nipple I-'I through the slots Ila.

The'guide pins I1c andl I1c' are secured into opposite sides of the nippleV I1 by the welds I1d' the actuator 'sleeve I8 are sutiable over these 'guide-pins. The actuator pin I! has its shoe Ila engaged within an annular recess of the sleeve Il and the actuator pin 2l has its shoe 2la engaged within the same recess. These pins are spaced 180 degrees apart and'have the balls 2I and 22, acting as thrust bearings engaged between their respective shoes and the upper surface of the slot which contains them. The actuator pins I 9 and 2l, having slight clearance within the shell 32, are slidable within theopposed longitudinal The coiled spring 23, free over the nipple I1, is engaged between the 4cap 33 and the actuator pins I0 and 20 for the purpose of normally engavging the actuator pins upon the lower end surfaces of the slots Ila, and thereby maintaining the inlet port I1b either open or closed.

The valve housing shell 2| has the opposite lateral openings 28a and 22h. This shell is slidable closely over the nipple I1, andhas an lnternal annular recess intowhich the semi-circular sleeve valve 3l is ntted loosely and into which the similarly f ormed sleeve valve-spacer II, having the transverse opening Sla, is secured by welds similar to those shown at I2b in Fig. 5. When the sleeve valve is open, the inlet port I1b and the openings lla and 2lb are in registration, as in Fig. 6. When that valve is clod, the

40 shell I2 and the valve Il have been rotated 180 45 tion of the similar valve inFig. 1.

changingmeanaaswillbeexplainedfm-ther I when the operation is discussed.

When the slot lacontainsthe guideln Icand valve I I is open and positioned opposite the'opelb. ing Ila ofthe valvehousingsleeve Il, whilethe degrees to close the inlet-port I1b, in which posi' tion the pressure fluid exterior of the device will urge the valve 3U to closely engage the nipple I1, as appears in Fig. 10 illustrating the closed'posi- The slots 2a' and 2e', the pin Vpockets 2c' and 2a', the lower. helically inclined cam' surfaces 2b', 2f'. the upper helically inclined cam surface 2d'. and the unshown upper'helically inclined cam o surface corresponding to. the helically inclined camsui'facehinli'igliwillbeunderstoodas mmg. 1. whenth'eemaa and ze revereetheir Mm m HPM in positionslodeg'reesbyahalfrotationofthe Y Y eneusandrnevalvelatnavalvewmbeeied -mfhmmvmpkmndlmm ommemletporubum 1 'theactuatoraitwlllbethatneither Y' convenience only.

'zmaaauemmazanas' 05 ofillustratingthebestpresentlyknown mode of applyingtheinvntion. naturisme. 1 and s maybe instauesinme ing 21, closely engages-ever the nipple n.18 eeu mbf W ma m le y @e wt es me b mainstream er.: imitweemtlllie!aci#tor slegvll andthe valve housum. i

orceo threaded engagement between the members. vThe U Vcup 2l, closely u @am m 1 d Y. essagedwantne-eneus .Ingbetnrnrmofmamvuragmeruueplm and I1d, respectively. The slots 2a' and 2e of Agovern all rotational movements of the actuator-I sleeve and consequently they control the opening and closing movements of the pressure fluid con- The path of pressure fluid entering the device illustrated in Fig. 1 is through the aligned openings I Iib, |2a, and the inlet port Ib, as is apparent.

.The path of pressure I iuid entering the modified construction` is through the aligned openings 29h,

lla, and the inlet port I'Ib, as appears in Fig. 6.

The device in Fig. 1 has only two valve posi- Fig. 14. This tool is a highlyimportant part of the invention because it is the best means known to the applicant whereby the valves of the deets', and hellcally inclined 'cam surfaces formed tions.) one fully open as in Fig. l and the other .completely closed as in Fig. 10.

Each time the actuator pins 8 and' 8' are pulled upwardand releasedt'o be returned bythe spring I i, the shell 3 and the valve Il will describe a one-half rotation about the nipple l; thereby opening the valve if it bel closed, or closing the valve if it be open.

For example, the valve Il being open as in Fig. l with the guide pin ic in the slot 2a and the guide pin I c' in the slot 2e, to close the valve proceed as follows: Raise the actuator pins 8 and' l' until the lower4 inclined cam surface 2b contacts the guide pin `Ic and the lower inclined cam surface 2f contacts the guide pin ic'. These surfaces will rotate the actuator until the guide pin le will be contained in the pocket 2c and the guide pin lc will be contained in the pocket 2g.'

Then, release the pins 8 and 8'; whereupon the spring I5 lwill force the actuator downward until the upper inclined cam surface 2d will guide the pin Ic into the slot 2e and the upper inclined cam surface 2h will guide the pin ic into the slot 2a. The valve Il will be 'closed then, as in Fig. 10.

The sleeve valvel il being closed as in Fig. 10 with the guide pin lc in the slot 2e and the guide pin Ic' in the slot 2a, to open the valve proceed as follows: Raise the actuator pins l and 8' until the lower inclined cam surface 2f contacts the guide pin ic, and the lower inclined cam surface 2b contactsl the guide pin lc'. These cam around a one piece rod or shaft-like member.

'This tool may be lowered into the tubing by means of the cable 85 upon which it is shown se'- cured by the solder or babbitt'38, (see Fig. 1)

When the tool 31 encounters the actuator pins 8 andr 8', Fig. l, the long entrance guide slopes or cam surfaces Blaandthe short entrance guide slopes or cam surfaces 31h will rotate the tool, if necessary, to receive the pins 8 and 8' within the entrance slots 31e and 31d to engage the actu-- ator pins upon the rst upper helically inclined cam surface 31j and the third upper helically inclined cam surface 31e which will rotate the tool further to engage these pins within the ilrst upper pin pocket 31h and thesecond upper pin pocket 31g which will arrest the downward movement of the tool. Then, when the. tool is raised, the first lower hellcally inclined cam surface 31k and the third lower helically inclined cam surface 31j will engage the pins and rotate the.

tool further to 'engage the actuator pinsgwithin the first lower pin pocket 3111. and the second lower pin pocket 31m.; thus permitting the actuator to be raised by pulling upon the cable.

`, When next the tool is lowered, the pins 8 'and 8' surfaces will rotate the actuator sleeve until the' guide pin Ic will contactthe pin pocket 2g, and the guide pin' Ic' will contact the pin pocket 2c.

vThen, release the pins 8 and 8': whereupon the upper inclined cam surface 2h will guide the pin ic into the slot 2a and the upper inclined cam surface 2d will guide the pin lc' into the slot 2c. The sleeve valve il will be open again then, as in Fig. 1.

Manifestly, at the beginning of the foregoing operation, if the guide pin lc should be in the slot le and the pin Ic" should be inthe slot 2a, the operation will be so entirely similar to :that described above as to be understood withoutv fur- A ther explanation.

The actuator pins I 8- and 20 in Fig. 6 correspond to the actuator pins 8 and 8' in Figgl, and the guide pins Hc and i 1c in Fig. 6 correspond to the similar pins Ic and lc' in Fig. l, while the slts. pockets, and inclined cam surfaces of both constructions are so similar that the operation of vthe device illustrated in Fig. 6 will be understood from the preceding descriptionrelative to the operation of the device in Fig. 1.

The operating toot, Figs. 1,` @and 14 The same operating tool 81 is applicable to both constructions. The tool appearing in Figs.

will be contacted by the secondupper hellcally inclined cam surface 3111 and the fourth upper hellcally inclined cam surface 31p;vwhereby the tool will Vbe rotated further so that the exit slots 311` and 31s will pass over the actuator pins. The tool is ready then to be lowered to the next device of theseries or to be withdrawn through the device or devices above it.

In raising the tool 31 through the upper de- 'l While I have explained the operating tool Il' in connection with Fig. 1, it will be understood that the operation will be the same when applied vto Fig. 6.

In these constructions employing two actuato '1 pins, it will be observed that the long entrance guide slopes or cam surfaces 31a extend somewhat below the other short entrance guide slopes or cam surfaces 31h an'dthat the long exit guide slopes v3it extend somewhat .above their companion short slopes 31u. This one longer pair ofy guide slopes above and below the slots, pockets, and 'inclined cam surfaces provides th'at the tool, while traveling upward or downward, never can 'become impinged upon thesame sides of the two ets inthe operating tool 31, it will be understood that these pockets 'are not'essential and operation of the tool y that they may be omitted without impairing -the The operating tool, free to be rotated, thereby slightly twisting the proximate portion of the cable with it, is shunted axially by its inclined surfaces contacting the actuator pin l, l', wherebythe tool, as it is reciprocated, alternately engages and releases these pins. After each pull upon these pins, the tool may be lowered through the device and then withdrawn from the well or it may be lowered to the next device for similar action.

It will be noted that one cable pull upon the tool 31 will change the device from open to closed, and vice versa. Manifestly, ,two cable pulls, spaced by a release of the tool, will enable the tool to be passed through any device; thereby leaving that device in the same position as before being pulled upon the irst time. Thus the rst\pu1i changes the original condition of the device, whatever it might be, but the second pull f upon, after which it may be either raised out of 'the well or lowered to the next device to open it if closed orto close it if open, as was stated for the `action of the tool upon the valve above.

For illustration, it willbe assumed that there lare several devices in a well, and that the upper device is open, all other devices being closed. Now, to close the upper device and open the third device for example, proceed as follows: Lower the operating tool 31 until it contacts the upper device and'pull once. That will close the upper device.' Then, lower the tool to the second device which is closed and which it is desired to leave closed. Pull uponv this device twice. In doing so, land the tool upon the device and pull once. Then lower the tool throughit and raise the tool above' it. Then lower the vtool upon the device again and pull once more. Then lower the tool .through'the device which will leave it closed. Lower the tool upon the third device whichA is closed and pull once. That will open it. The tool may be withdrawn through the upper devices without stopping and without changing any one oi'. the 'valve positions.

It is apparent' that the devices illustrated in and becoming the pressure fluid induction con-A duit for casing liiow. However, if these devices be employed for casing flow, the U cups 5 and i in Fig. 1 and the similar cups 24-and 21 in Fig. 6 should be reversed to prevent possible leakage of pressure fluid through the devices.

`It will be understood lthat all references to positions and directions such as upper and such references are made forconvenience of cie--A scrlptlomonly 'without any expressed 'or implied I actuator being slidable over said nipple and having an internal peripheral opening forming two upper and two lower helically inclined cam surfaces in offset relation to each other, said upper cam surfaces sloping in one direction and said lower cam surfaces sloping inthe reverse direction, there being a slot at the outer extremity of each upper cam surface and a pin pocket at the outer extremity of each said lower cam surface; a pair of opposite guide pins in said nipple,V said pins extending into said internal opening and being engageable within said pockets, slidable in said slots and upon said inclined cam surfaces; a ring upon said actuator; a pair of opposed ac tuator pins upon said ring, said pins extending through said longitudinal slots; a locking sleeve l slidable over said nipple andv secured upon said shell in close spaced relation to said actuator pins; a spring urging said sleeve 'and actuator downward; hermetic means between said sleeve and nipple;. hermetic means between the lower end of said actuator and nipple; a valve housing sleeve upon the lower end of said actuator and having opposed lateral openings, said last sleeve being slidable over said nipple; a sleeve valve spacer in said housing sleeve, said spacer having a transverse opening adapted tovregister with said lateral openings and said inlet port in one position of said actuator; a sleeve valve in said housing sleeve, said valve being adapted to close said inlet port in another position of said actuator; and means cooperative with said actuator pin for operating said sleeve valve.

2. In a remotely controlled flow device: a nipple adapted to be connected into a string of tubing and having opposite longitudinal slots and an inlet port; a cap secured upon said nipple above said slots; a shell secured upon said cap and surrounding said nipple; an actuator in said shell` and slidable over said nipple and within said shell, said actuator having an annular opening and an internal circular opening,.the\latter opening forming two upper and two lowerV helically inclined cam surfaces in oiset relation to each other, said upper cam surfaces sloping in l one direction and said lower cam surfaces sloping in the reverse direction,there being -a slot at the outertextremity of each upper inclined cam surface and a pin pocket at the outer extremity of each said lower inclined cam surface; hermetic means between saidshell and actuator' and between said actuator and nipple,proximate the lower end of said actuator;v two actuator pins slidably secured in said annular opening and extending through said longitudinal slots; two guide pins secured 1n saidsnip'pl'e and engaseable Within said annular opening to engage within Asaid slots andpockets and upon said inclined cam 'surfaces'when said actuator is reciprocated relative to said nipple; a valve housing sleeve upon the lower end of said actuator, said housing sleeve beingslidable over saidv nipple and having opand means cooperative with said actuator pin for opera-ting said sleeve valve. v

3. In a remotely controlled flow idevice: an operating tool; a nipple adapted to .be connected linto said tubing and having two opposite longitudinal slots and an inlet port; an actuator hermetically slidable over said nipple, said actuator having an internal 'peripheral opening forming two upper and two lower helically inclined cam surfaces in offset relation to` each other, said upper cam surfaces sloping in one direction and saidylower cam surfaces sloping in the reverse direction,'there being a slot at the outer extremity of each upper inclined cam surface and a pin pocket at the outery extremity of each said lower sloping cam surface; two4 actuator pins loosely secured in said actuator and circularly movable relative thereto, said pins extending through said longitudinal lslots and being engageable by said operating tool;,a spring urging said pins to normally engage upon the lower surface of said slots; two oppositel guide pins ses cured in said nipple and extending -into said inter'nal peripheral opening, said guide pins being engageable within said pockets, and slidable 'in said slots and upon saidvinclined cam surfaces;. a valve housing sleeve uponl the lower end of4 said actuator, said housing sleeve being slidable over said nipple and formed with opposite lateral openings; a sleeve valve spacer in4 said housing sleeve and having a .transverse opening adapted .to register with said lateral openings and said into said tubing and having two opposite longi' tudinal slots and an inlet port; an actuator hermetically slidable over said nipple. said 'actuator having an internal"peripheral opening forming ltwo upper and two lower helically inclined cam surfaces in offset relation to each other, said .up- Y per cam surfaces sloping in onedirection and' said lower cam surfaces sloping in the reverse direction, there being a slot at the outer extremity of each upper cam surface and apin pocket at the outer extremity of each said lower cam surface; two actuator pins loosely secured in said actuator and circularly movable lrelative' thereto, said pins extending through said longitudinal said .actuator having an internal peripheral open# ing forming a pair of upper and a pair of lower helically inclined cam surfaces, said upper cam surfaces sloping in one direction and said lower` cam surfaces sloping in the reverse direction, said pairs being circumferentially in offset relation to each other; two actuator pins loosely secured in said -actuator and circularly movable relative thereto, said pins extending through said 'longitudinal slots and being engageable by said operating tool; a spring urging said pins to normally engage upon the lower surface of said slots; two opposite guide pins secured in said nipple and extending into said internal peripheral opening,

said guide pins being engageable within said pockets, and slidablev in said slots and upon' said inclined cam surfaces; and valve means upon said actuator to open said port in one position of said actuator and to close said port in another position thereof, in combination with an operating tool'adapted to engage said actuator pins to pull upon same and rotate said actuator onefourth of its circumference followed by reciprocation caused by said spring to complete onehalf rotation of said actuator in order to alter- Y, nately open and close said inlejt port.

6. InV a lflow device adapted to be remotely controlledfrom a string of tubing: a nipple adapted to be connected into said tubing and having an inlet port; an actuator hermetically slidable over said nipple, said actuator having an internal circular opening forming opposed and offset helically inclined cam surfaces; one ortwo actuator pins insaid nipple, said pins being coemcient with said surfaces and adapted to produce partial rotation of said actuator each time the ,same is reciprocated a predetermined disrtance relative to said nipple; a valve on said actuator', said valve being adapted to close said inlet port in one position of said actuatorand to open same whensaid actuator is rotatedpartially; and a spring urging said actuator to its lowermost position, in combination with; an operating tool adapted to engage said actuator pins to raise said actuator relative to saidnipple and cause said nguide pins to engage said inclined cam surfaces slots and being eng-ageable by said operating tool;

a spring urging said pins to normally engage upon the lower surface of said-slots; two opposite 'guide 4open said port inone position of said actuator and to close saidport in another position thereof.

5. In a flow device: aremotely controlled operating tool; a `'nipple adaptedto be. connected into said tubing andhavingan inlet port; an

actuator hermetically slidableiover said nipple,

to produce partial rotation of said actuator as it reciprocates responsive to the force of said tool pins in said nipp1e, said pins being coemcierit with said inclined cam surfaces in` said actuator; a"

spring urgingsaid actuator in one direction; actuator pins in said actuator, said'pins extending 7 into said nipple and being slidable therethrough; and lan operating tool .adapted to engage said actuator pins to move said actuator in the 'oppositedirection so that said guidepins will engage said cam surfaces to rotate said actuator andalternately open and close said port as said actuator is reciprocated by spring and tool.

8. Ina remotely controlled iiow device: a nipple having an inlet port; an actuator slidable over the opposed forces of 'said said valve relative to said port, in combination with; an operating tool coefficient with said spring reciprocate said actuator to alternately open and close said valve.

9. In a remotely controlled flow device: a nipple adapted to be connected'into a string of tubing and having lateral slots and an inlet port; a shell secured upon said nipple; an actuator slidable over said nipple and within said shell, said actuator having an internal peripheral opening forming an upper pair-of inclined cam surfaces extending therearound and a pair of oppositely sloping cam surfaces opposed and in offset relation thereto; actuator pins in said slots and extending into said nipple, said pins being secured upon said actuator, and said actuator being rotatable relative thereto; guide pins secured in said nipple andcoeicient with said inclined cam surfaces to partially rotate said actuator when the same is reciprocated; a spring urging said actuator pins and said actuator downward; a sleeve valve in said actuator, said valve being adapted to alternately open and close said port as said actuator is reciprocated; and an operating tool releasably engageable with said actuator pins to raise said actuator and cause said guide pins to engage one of said cam surfaces to produce partial rotation thereof, said rotation being continued by said pins engaging another of said cam surfaces when said tool is released, thereby alternately opening and closing said inlet port.

10. In a remotely controlled iiow device, the combination of a nipple having longitudinal slots and an inlet port; a shell over and securedupon said nipple; an actuator slidable, between said nipple and shell, said actuator having two pairs of opposed and offset inclined cam surfaces; guide pins in said nipple and coefilcient with said cam surfaces to rotate said actuator as the same is reciprocated; actuator. pins in said actuator, said last pins being slidable through said slots and engageable by an operating tool; a valve on said actuator and adapted to alternately open and close said port as said actuator is alternately reciprocated; an operating tool adapted to releasably engage said actuator pins and raise said actuator;l and a spring to return said actuator when said tool releases said pins.

1l. A valve; a pair of guide pins carried by said valve; an actuator for said valve comprising a sleeve having: two upper and two lower helically inclined cam surfaces in offset relation to each other, said upper cam surfaces slopingin one y direction and said lower cam surfaces sloping in the reverse direction, there being aslot at the outer extremity of each upper cam surface and a pin pocket for said guide -pins at the outer extremity of each lower ca insurfacel 12. A valve; a pair of guide pins carried by said valve; an actuator for saidvalves comprising a sleeve having: a pair of upper helically inclined cam surfaces extending around said actuator and each sloping in one direction; and a lowerpair of helically inclined cam surfaces confronting said upper pair and in offset relation thereto, said lower pair sloping in reverse direction from said upper pair; therebeing upper andlower pin-receivlng elements for cooperation with said guide 13. In a remotely controlled flow device, an

actuator assembly comprising: a shell: an actuator within said shell and secured thereupon, said actuator having an internal peripheral opening forming two upper and two lower helically inclined cam surfaces in offset relation 4to each other, said upper cam surfaces sloping in one di rection and said lower camsurfaces sloping in the reverse direction, there being a slot at the outer extremity of each upper inclined cam sur.l face. and a pin pocket at the outer extremity of each said lower inclined cam surface; a ringy upon said actuator; a pair of opposed actuator pins upon said ring; a. locking sleeve secured upon said shell and in close spaced relation Vto said pins; means for housing packing proximate the extremities of said actuator; a valve housing sleeve upon the lower end of said lactuator and havinl opposite lateral openings; a sleeve valve spacer in said housing'sleeve and formed with a transverse opening; and a sleeve valve in said housing sleeve; and a tool for operating said valve.

14. In a remotely controlled flow device, an actuator assembly comprising: an actuator having an internal peripheral opening forming two upper and two lower helically inclined cam surfaces in offset relation to each other, said upper cam surfaces sloping in' one direction and said lower cam surfaces sloping in the reverse direction. there being a slot at the outer extremity of each said uppercam surface and a pin pocket at the outer extremity of each said lower cam surface; a ring upon said actuator; a pair of opposed actuator pins upon said ring; a locking sleeve secured upon said shell and in close spacedvrelation to'said pins; means for housing packings proximate the extremities of said actuator; a

valve housing sleeve upon the lower end of said actuator and having opposite lateral openings; a sleeve valve spacer in said housing sleeve, said 40 spacer having a transverse opening; and a sleeve "unA valve in said housing sleeve: and a tool for oper ating said valve.

15. A flow device adapted for remote control and comprising: a tubing having a flow passage for fluid and an inlet port; a ring-like valve member encircling said tubing and controlling com- -munication through said port; vmeans accessible from said flow passage to cause rotation of said ring-like valve member; and a tool cooperating with said means for operating said valve.

16. A now device adapted for remote control and comprising: a tubing having a flow passage for nuid, an inlet port, and a slot'; a valve exteriorly of said tubing and controlling communication throughsaid inlet port; a cylindrical actu vsaid flow passage; and a tool cooperating with said means for operating said valve.

17. A flow device of the character described comprising: a tubing having a flow passage for nuid and an inlet port: a ring-like valve member encircling said tubingY and adapted to be rotated to opened or closed positions, said valve member controlling communication through said port; a cylindrical actuator also encircling said tubing and operatively connected to said valve member to cause rotation of the latter; means accessible from said flow passage to move said actuator: and a tool cooperating with said operating mem- 'ber for operating said valve.

18. A flow device of the character described fcomprising: a `tubing having a flow passage for fluid, an linlet port, anda slot; a ring-like valve member encircling said tubing ana adapted to be rotated to opened or closed positions, said valve member controlling communication through 'said port; a cylindrical actuator alsol encircling said tubingI and operatively connected to said -valve member to cause rotation of the latter; cam

into said now passage; and a tool cooperatingv with said actuating pin to operate said valve member.

` 19. A now device adapted for remote control and comprising:` -a tubing having a flow passage for fluid and an inlet port; a'ring-like valve member encircling said tubing and controlling Acommunication through said port: cam means exteriorly of said tubing for rotating said valve member: means to actuate saidfcaxn means from said ow passage; and a tool cooperating with said last named means for operating said.,val.ve

10 member. A

ALEXANDER. BoYNToN. 

